LETTON K1 LED Backlit USB Wired Gaming Keyboard and Mouse - White Professional gaming membrane keyboard design, multi color backlight The backlight can switch among medium light, high light, breath mode and turn off by pressing Fn and Esc simultaneously 4 colors breathing light of mouse: Red, Blue, Purple, Pink Designed for gamers - latest synthetic material allows you to move your mouse with pin point precision effortlessly gliding over the mouse pad surface 2400 DPI mouse with 4 preset levels (800, 1200, 1600, 2400)